Allergena is a Homeopathic Sublingual Immunotherapy. It reduces your bodys negative reaction to environmental irritants such as Fragrances, Tobacco Smoke, Car Exhaust and Fireplace Smoke. Allergena homeopathic allergy drops help build immunity towards your allergic symptoms
- Sublingual: Underneath the tongue.
- Immunotherapy: Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease. Allergy shots are another form of Immunotherapy.